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Finding the Fourth Proportional to 564,250.73, 778,666.01 and 322,538.49

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Solution

The fourth proportional to 564,250.73, 778,666.01 and 322,538.49 is: 445,103.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,250.73 : 778,666.01 = 322,538.49 : x
  2. Step 2: Convert to fraction form
    564,250.73/778,666.01 = 322,538.49/x
  3. Step 3: Cross multiply
    564,250.73x = 778,666.01 × 322,538.49
  4. Step 4: Simplify right side
    564,250.73x = 251,149,757,467.03
  5. Step 5: Solve for x
    x = 251,149,757,467.03/564,250.73
  6. Step 6: Final answer
    x = 445,103.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.